Description and OperationHyundai Elantra AD (2016-2020) Service Manual: PTC Heater Description and Operation
Description
The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core.
The PTC heater is an electric heater using a PTC element as
an auxiliary heating device that supplements deficiency of interior heat
source in highly effective diesel engine ...
Hyundai Elantra AD (2016-2020) Service Manual: Auto Defoging Actuator Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the auto defogging connector.
3.
Verify that the auto defogging actuator operates to the open
position when connecting 12V to terminal 3 and grounding terminal 4.
Verify that the auto defogging actuator operates to the close ...